Remote control system for automatic phonographs



Patented July 25, 1950 REMOTE CONTROL sYsTEMFoR AUTOMATIC PHONO'GRAPHS LcoL. Galinski,- Chicago, 111., assignor m R'aymond'l. Moloney, Chicago, 1111.

Application January 13, 1947;1Serial No. 721,868

The present invention-relates to phonographs, and more particularly to a remote control syste for automatic phonographs. I

Heretofore automatic phonographs have been of the *typehaving a plurality. ofremote control stations each of which is providedwith its own individual reproducing. 'unit or loud speaker, Each remote control :staition is further provided with a selector by which -:thepatron maychoose a record or records to be .reproduced. In such in-. stallations in the past the reproduction has been simultaneous in all of the reproducing units of the "individual remote control stations; In some instancesrthepatrons are not'des-i-rous ofglistening to selections being reproduced by the phono graph which have been selected by other patrons. It therefore. would be desirable to provide an arrangementwherebyv the reproducing unit in each individualremote control station would be effective to reproduce phonograph selections only until the -conclusion of the record or records selected by the patron located at that station.

It therefore is an object of, the present inven tion to provide an improved remotecontrol sys.-"

tem for automatic phonographs whereby the local reproducer at each remote control station is energized only in response to the action of a coin controlled switch.

It is a further. object of the present invention to provide animproved remote control system for automatic phonog-raphs whereby a local reproducer located at the stationis energized from the time that a coin is utilized to actuate a coin controlled switch until the record selected by the patron has been reproduced.

Other and further objects of the present invention subsequently will become apparent by reference to the following description taken in conjunction with the accompanying drawing wherein there is shown an electrical circuit dia-' gram embodying the present invention.

The present invention is applied to an automatic phonograph of the type having a plurality r-olaims. (o1. ire-6.31)

is, energized the selector mechanism moves .until it is stopped by a pole or rod actuated by the solenoid; Upon completion of the reproduction of the phonograph record the phonograph mechanism restores the solenoid to its original position.

In the drawing thereis shown a pair of :cone

ductors II and I2 which extend from a-suitable up; The output ofthe amplifier is connected to phonograph records available for reproduction.

Each of the switches :46 to: I8 is connected to control one of a plurality of relays or solenoids I9; :28; M respectively. sinceyeach, or the solenoids-aresimi-lar only the solenoid or relay I9 will bezdescribed in vdetailfllfhe relay It has a pair of'normally-open contacts 22 which are connected to the conductor 23which in turnis connected to the. conductor I I. Each relay furthermore has a pair of normally closedmontacts 24 which are interposed between actuating winding of the relay 1:9 and the record selecting switch I 6. One terminal of each of the relay winding I9 is connected to the conductor I2. Each relay furthermore has :a pair of normally open contacts 25 which are connected between conductors 2.6 and 21. The conductor 26 is connected to one side of a suitable source of power whereas the other con-, ductorfizl'is connected-to the phonograph motor 2 8 which inturn is connected to the other side of the source of power by. the conductor 29. The electric motor'28 controls the sequence operation mechanism o'f'the phonograph which makes the selection as predetermined, moves the phonograph recordinto play position, and restores the phonograph record to the phonograph magazine. A switch 3| is connected between the conductors 26 and 27. This switch 3| is opened at the end of each operating cycle of the sequence operation motor 28. Before any of the record selecting switches IE to IE are effective to control the operation of the phonograph a coin controlled switch 32 must be actuated.

It may now be assumed that a patron has gone to the phonograph and closed one of the switches Hi to I8. A coin thereupon is deposited to close the coin controlled switch 32 whereupon the corresponding relay i9 is energized. The relay I9 moves its switch contact to open the normally closed contact 24 and to close the normally open contacts 22 and 25. The switch is then left in position to be restored when the phonograph record has been reproduced. The selection made will be reproduced only at the phonograph and not at any of the wall boxes. A phonograph is further provided with a normally closed switch 33 which is opened by the sequence operation mechanism after the reproduction of each phonograph record. The switch 33 is connected between the line conductor H and a conductor 34 which extends to each of the Wall boxes or remote control stations.

Each remote control station is provided with a record selecting switch 35 having a plurality of contact points each connected by suitable conductors to the various relays .19, 20 and 2| of the phonograph. Each wall box furthermore is provided with a loud speaker 36 which is connected through switch contact 31 to the audio frequency conductors l4 and I5. Each wall box is further provided with a plurality of relays. One relay 38 has one terminal of its energizing winding connected to the conductor l2. The other terminal of the winding of the relay 38 is connected to the coin controlled switch 39 which in turn is connected to the outer conductor The relay 38 is provided with normally open make-beforebreak contacts 4|, normally closed make-beforebreak contacts 42 and normally open contacts 43. The normally open contacts 43 are interposed between the coin controlled switch 39 and the selector arm 35 of the record selecting switch.

The normally open make-before-break contacts 4| of the relay 38 are connected between the conductor H and a locking solenoid 44 which has its other terminal connected to the conductor l2. The locking solenoid moves a rod or pole into position so as to prevent further actuation of the record selecting switch until the record selected has been reproduced by the phonograph. The normally closed make-before-break contacts 42 are connected in series with normally open contacts 45 of another relay 46 which contacts are connected to the conductor 34. The relay 46 controls the normally open contacts 45 and 31.

To illustrate the operation it may be assumed that the patron at wallbox A desires to play selection I whereupon the record selecting switch is moved so that its contact arm 35 rests upon the first contact. Thereafter the patron inserts a coin into the coin chute so as to close th coin switch 39. The closing of the coin switch 39 completes a circuit between the conductors H and I2 which includes the energizing coil of the relay 38. The relay 38 attracts its armature to complete a circuit through the coin switch 39 and its contacts 43 to the switch arm of the record selecting switch 35. The first contact of the record selecting switch 35 is connected to the armature of the relay 2| which normally is in contact with the upper contact of the relay so as to complete a cir- 4 cuit through the relay 2| thus causing it to attract its armature and close its lower contact thuscompleting a circuit back to the conductor The relay 2| is locked into position until it is restored by operation of the phonograph.

At the same time that the upper contacts 43 of the relay 38 were closed, normally open contacts 4| of the relay are closed prior to the interruption of the normally closed contacts 42. The completion of the circuit through the contacts 4| of the relay energizes a lock solenoid coil 44 which moves a latch into position so that the record selecting switch 35 cannot be rotated until the selected record has been reproduced. At the same time that the solenoid 44 is energized, the relay 46 is energized. The relay 38 is locked into circuit by the action of the phonograph relay 2|, since a circuit may be traced from the conductor |2 through the energizing coil of the relay 38, the switch contacts 43 of the relay, the switch arm of the record selecting switch 35, the lower contacts of the relay 2| and'the conductor 23 which returns to the other conductor The energization of the relay 46 causes it to close its contacts 31 and 45. The closing of the contacts 31 completes the circuit to the loud speaker 36 so that if the phonograph is already in operation, reproduction of the record previously selected will be heard until the record selected by wallbox A is played in its entirety. Upon completion of the record selected by wallbox A the wallbox will be restored to its original condition.

If it is assumed that at the time that the selection was made by wallbox A, the phonograph was not operating, the energization of the relay 2| will initiate operation of the sequence operation motor 28 by the closing of its upper contacts which completes the circuit between the conductors 26 and 21. After the phonograph record has been moved from the magazine to the turntable the relay 2| is reset to its original condition. When the phonograph sequence opera-. tion motor begins to move the switch 3| is closed by the sequence operation cam. At the same time the switch 33 is also closed. The restoration of the relay 2| to its original position brings about the energization of the relay 38 of the wallbox A. Since the contacts M and 42 of the relay 38 are arranged so as to make before break the continuity of the circuit through the relay coil 46 is not interrupted before a new circuit is established from the conductor |'2 through the relay 46 through the upper contacts 42 of the relay 38, the closed contacts 45 of the relay 46 and the closed switch 33 of the phonograph. The relay 46 therefore remains in energized condition so as to maintain closed the switch 3! until the record selected has been completely reproduced. At the end of the reproducing cycle of a record the switch 33 is opened thereby deenergizing the relay 45 and restoring the wallbox to its original condition.

It may be now assumed that prior to the completion of the reproduction of the record selected by wallbox A, that wallbox B has selected selection No. 3. The movement of the record selecting switch 35a to this position prepares a circuit for the energization of relay |9. The insertion of a coin into the chute closes the coin switch 390. which energizes relay 38a so as to close its upper contacts 43a. The closing of the contacts 43a completes a circuit from the conductor through the record selecting switch 35a. to the relay IS. The relay l9 attracts its armature to close' its lower contacts- 22" to lock the-relay flb into circuit; The-upper contacts 25 arecom"- pleted-"so as to insure continued operation of the sequence operation '-motor= 28""in the event that the motor is not already reproducing-a' recordz The energization ofthe-relay"38w produces energization ofthe relay 46a, in a manner similar to that described in conjunction with wallbox A. The closing of the contacts of the relay 46a causes the loudspeaker 36a to beconnected into circuit so that the speaker will reproducetany' pho+ nograph record which is being reproduced by the phonograph. If it is assumed that prior to the energization of either of the 'wallboxes Am B a; record was being reproducedyboth of the "loud speakers 36' and 36a will'reproduce thatfportion of'the record. Thereafter the record sele'cted'by wallbox A will be reproduced. Upon completion of the reproduction of each phonograph record the cam operated switch 33 is interrupted. As long as the relay corresponding to the record selected has not been restored to its original position the interruption of the circuit through the switch 33 does not disturb the connections in the wallboxes. Upon completion of selection No. 1 which was selected by wallbox A, the interruption of the switch 33 will bring about restoration of the wallbox A to its original condition but wallbox B will remain in its locked condition until the record selected by it has been reproduced. Thereafter the opening of the switch 33 will bring about deenergization of the relay 46a thus restoring wallbox B to its original condition.

From the foregoing description it will become apparent that each wallbox is so arranged that a loud speaker will reproduce phonograph records until the record selected by the wallbox has been reproduced. Thereupon the loud speaker is deenergized and no more reproduction is heard until another selection is made. The circuit arrangeme-nt provided insures holding the loud speaker in the circuit until the record selected has been reproduced.

While for the purpose of illustrating and describing the present invention, a preferred embodiment has been illustrated by the circuit diagram in the drawing, it is to be understood that the invention is not be limited thereby since obviously such variations in the instrumentalities employed and in the circuit arrangement may be made without departing from the spirit and. scope of the invention as set forth in the following claims.

What is new and is desired to secure by Letters Patent of the United States is claimed:

1. The combination with an automatic phonograph comprising a plurality of remote control stations each having a coin controlled switch, a record selecting switch, means whereby said switch is connected to said phonograph, a loud speaker, and relay means, means whereby said relay means is responsive to actuation of said coin controlled switch for completing electrical circuit to said loud speaker and said record selecting switch; and means for deenergizing said relays, means whereby said phonograph controls said deenergizing means when a record corresponding to the one selected by said record selecting switch has been reproduced.

2. The combination with an automatic phonograph having a record selector mechanism comprising a remote control station having a record selecting switch, means whereby said switch is connected to said selector mechanism, a loud speaker, a coin actuated switch, means for energizing 'said recordselecting-2 switcha' and said ldudspeaker, means whereby said energizing means is responsive to actuation of said coin controlled switch; and means for locking said record selectingswitch'in position. until the rec-: ord-select'ed thereby has been reproduced.

3i The-combination with'anautomatic phonograph having an-electrically controlled selector mechanism-comprising a remote'control station provided with a loud-speaker, arecord selecting switch,- means whereby-said switch is connected to" said-'selector" mechanism; a coin controlled switch; a relay" with contacts, means including saidlatter switch" for" controlling said relay, means" including said contacts-for controlling said" first switch, a second relay means' includ ingsaid'first relayfor energizing-said second relay, said second relay having contacts for controlling said loud speaker, and means at said phonograph for deenergizing said latter relay.

4. The combination with an automatic phonograph having a plurality of selector solenoids for controlling a selector mechanism comprising a remote control station provided with a loud speaker, a record selecting switch, means whereby said switch is connected to said solenoids, a coin controlled switch, a relay, means including said coin controlled switch whereby relay is connected so as to control said record selecting switch, a second relay means including said first relay for controlling said second relay whereby said loud speaker is controlled, means at said phonograph for deenergizing said first relay when a selected record is to be played, and means at said phonograph for deenergizing said second relay upon completion of the reproduction of said selected record.

5. The combination with an automatic phonograph having a plurality of selector solenoids for controlling a selector mechanism operated by a sequence operation mechanism, and a switch operated by said sequence operation mechanism comprising a remote control station provided with a loud speaker, means whereby said loud speaker is connected to said phonograph through said last mentioned switch, a record selecting switch connected to said solenoids, a coin controlled switch, a relay, means whereby said coin controlled switch operates said relay for completing a circuit through said record selecting switch and said solenoids, a second relay, means including said first relay for controlling said second relay whereby a circuit is completed through said loud speaker, switch means at said phonograph for interrupting the circuit through said solenoids, said record selecting switch and said first relay when a selected record is to be played,

and means including a circuit for inter-connecting said switch at said phonograph with said second relay at same remote control station to deenergize said second relay upon completion of the reproduction of said selected phonograph record.

6. The combination with an automatic phonograph having an electrically controlled selector mechanism comprising a remote control station having a coin controlled switch, record select ing switch, means whereby said switch is connected to said phonograph selector mechanism, a loud speaker, two relays, means whereby said two relays are concurrently responsive to actuation of said coin controlled switch whereby an electrical circuit is completed to said loud speaker and said record selecting switch, means at said phonograph for deenergizing one of said relays when a selected record is to be played, and means 7 at-saidphonograph for deenergizing the other of sai'drelays upon completion of the reproduction of said selected record. I

7. The combination with an automatic phonograph having a solenoid controlled selector mechanism comprising a remote control station having a coin controlled switch, a record selecting switch, means whereby said switch is connected to said solenoid controlled selector mechanism, a loud speaker, a relay, means including said -,-coincontrolled switch for controlling said relay whereby. an electrical circuit is completed between said record selecting switch and said solenoid controlled selector mechanism and a secand relay, means including said first relay for energizing said second relay whereby an electrical; circuit is completed between said loud 8 speaker and said phonograph and whereby said loud speaker circuit is maintained until the reproduction of a selected phonograph record has been completed and a third relay energized by said second relay for locking said record selecting switch against movement.

, LEO L. GALIN SKI.

REFERENCES CITED The following references are of record in the file of this patent: v

UNITED STATES PATENTS- Farrell Jan. '7, 1947 

